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China, Chinese Golden Bridge R307 R317 R407 R417 Heat Resistant Steel Welding Electrodes 3.2mm 4.0mm for Power Plant Boilers1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Welding Soldering SuppliesWelding RodWelding ElectrodeWelding Electrodes E6013
Anshan Fenghui Continuous Caster Manufacture Co., Ltd.
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Product Description Product Description Product Specifications / Packaging ParametersR307 Heat-Resistant Steel Welding ElectrodeDescription:R307 is a low-hydrogen sodium-coated Cr1%-Mo0.5% pearlitic heat-resistant steel electrode. Operates with DC reverse polarity (DC+) and allows all-position welding. Requires preheating and post-weld heat treatment based on structure.Application:For welding Cr1%-Mo0.5% heat-resistant steel in:Boiler pipes (≤520°C service)Pressure vesselsOil refinery equipment30CrMnSi cast steelChemical Composition of Deposited Metal (%):Test ItemCMnSiSPCrMoGuaranteed0.05-0.12≤0.90≤0.80≤0.030≤0.0301.00-1.500.40-0.65Example0.0650.650.40.0070.0171.150.54Mechanical Properties (675-705°C ×1h):PropertyRm (N/mm2)Rel/Rp0.2 (N/mm2)Elongation (%)Guaranteed≥550≥460≥17Example61052025X-Ray Inspection: Level IRecommended Current (DC+):Diameter (mm)2.53.245Current (A)60-9090-120130-180160-210Notes:Preheat electrode at ~350°C for 1 hour (use immediately).Clean base metal (remove rust/oil/moisture).R317 Heat-Resistant Steel Welding ElectrodeDescription:R317 is a low-hydrogen sodium-coated Cr1%-Mo0.5%-V pearlitic heat-resistant steel electrode. Operates with DC reverse polarity (DC+) for all-position welding. Requires preheating and post-weld heat treatment based on structural requirements.Application:For welding pearlitic heat-resistant steels (e.g., 12CrMoV) in:High-temperature/pressure boiler pipes (≤540°C)Petroleum cracking equipmentHigh-temperature chemical reactorsChemical Composition of Deposited Metal (%):Test ItemCMnSiSPCrMoVGuaranteed0.05-0.12≤0.90≤0.60≤0.030≤0.0300.80-1.500.40-0.650.10-0.35Example0.0620.630.420.0070.0181.20.50.18Mechanical Properties (715-745°C ×2h):PropertyRm (N/mm2)Rel/Rp0.2 (N/mm2)Elongation (%)Guaranteed≥550≥460≥15Example63054024X-Ray Inspection: Level IRecommended Current (DC+):Diameter (mm)2.53.245Current (A)60-9090-120140-180170-210Notes:Preheat electrode at ~350°C for 1 hour (use immediately).Clean base metal (remove rust/oil/moisture).Product Parameters1. Sealed PackagingFully laminated sealed packaging prevents moisture and gas ingress during storage or transportation.2. Low Spatter & Easy Slag RemovalMade with premium wire rods (from Shagang, Zhongtian) and mature production technology.3. Corrosion & Porosity ResistanceWelded joints resist corrosion and environmental degradation with excellent cavity-free performance.4. Smooth Welding & Good FluidityAdvanced powder formulation ensures optimal melt fluidity, strong bonding, and pressure resistance.5. Excellent Weld Bead FormationSuperior operability with aesthetically uniform weld seams and high-quality deposition. ApplicationOur AdvantagesEstablished in 2012, Enron Shenyang Electronic Technology Co., Ltd. has been a trusted partner in global welding solutions for 12 years. As a premier distributor of world-leading welding electrode brands, we proudly represent top manufacturers, delivering high-quality welding electrodes such as J422, J502, J506, and J507 for industrial, construction, and energy sectors. Headquartered in Shenyang with a strategic presence in Northeast China's industrial hub, our expertise spans welding electrodes for medium and high carbon steel applications, including acidic and alkaline types for AC and DC welding. Through rigorous quality control and customized technical support, we serve clients in over 30 countries across Asia, Europe, and Africa, empowering industries from smart manufacturing to infrastructure and pressure vessel projects with reliable, high-performance welding solutions.Packaging & Shipping FAQ1.who are we?We are based in Shenyang, China, start from 1959,sell to Domestic Market(50.00%),Eastern Asia(8.00%),North America(8.00%),Eastern Europe(6.00%),South Asia(6.00%),Western Europe(4.00%),Africa(4.00%),Southeast Asia(3.00%),Southern Europe(3.00%),South America(3.00%),Central America(3.00%),Northern Europe(2.00%). There are total about 51-100 people in our office.2. how can we guarantee quality?Always a pre-production sample before mass production;Always final Inspection before shipment;3.what can you buy from us?Various types of bursting disc safety devices4.why should you buy from us not from other suppliers?We have more than 60 years of design and development experience;we can produce Various types of bursting disc safety devices and so on.not only has the advanced management concepts and business culture, and also has a vibrant sales team.5.what services can we provide?Accepted Delivery Terms: FOB,CFR,CIF,EXW;Accepted Payment Currency:USD,EUR,JPY,HKD;Accepted Payment Type: T/T,L/C,D/P D/A,MoneyGram,PayPal,Cash;Language Spoken:English,Chinese
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